Automatic sash-lock.



H. LANE.

AUTOMATIC SASH LOCK.

APPLICATION FILED JAN. 29. 1916.

Patented Apr.'4,1916.

" UNITED STATES PATEN orrion.

HARVEY LANE, or TOLEDO, OHIO.

AUTOMATIC sAsH-LocK To all whom it may concern: Be it known that I,HARvEY LANE, a citizen of the United States, residing at To-.

of the kind that is adapted to automatically.

lock both the upper and lower sashes 0f a window in any open, as well as1n their normal closed positions, and that is readily and convenientlyunlocked to admit of the movement of either sash, and that is readilyaccessible from the inside of the buildln C and 1s non-accessible fromthe outside for unlocking, whether the sash be locked open or shut. 7 .Iaccomplish these objectsby the construction and combination of parts ashereon line y-y of F ig.- 1, attached to a broken drawings, in whichinafter described and illustrated in the Figure l is a side elevation ofa lock structed in accordance with my invention, detached from a windowframe.

wm of Fig. 1 and showing the parts in looking position. Fig. 3 is asimilar View showing the parts in unlocked position, with a part of thepush rod broken away. Fig; 41S a broken away cross section of my lockaway portion of a window frame, and show ing the parts in positionlooking a broken away portion of the lower sash. Fig. 5-

shows broken away portions of the slide faces of the upper and lower"sashes, with the locking plates secured thereto flush therewith. Fig. 6isa side View of the face plate through whichvthe push bar extends,andshowing the push bar in position toyunlock the lock, and Fig. is asimilar view push bar in position locked showing the against movement. IIn the drawings'jl designates, the base plate onwhichare' mQunted' themovable parts of my lock, andhaving the counters sunk holes 2for'attaching the lock in a complementary recessed portion of the windowframe, flush with andtransverse the slide ways of the upper. and lowersash of the.

window.

The base plate '1 hasintegral with and" Specification of Letters Patent.

1 perpendicular to its inner side the cylindrical lugs 3 and 4, eachhaving integral therewith a pair of parallel walls 5 and 5, ex-

socket bores 6, extending through the outer face 7 of the plate 1, and,opposite the spaces 8 between the walls Sand 5, with the Patented Apr.4,1916. 7 Application filed January 29, 1916. Serial No. 74,992.

rectangular transverse openings 9 alined with the spaces 8. The lug 3,andthe wall 5 of the lug 4:, each have integral therewith.

and with the base plate 1 anclat right angles thereto, a bearing wall10. The bearing walls 10 are of equal length with the lugs 3 and l and,opposite the free end portions of the lugs, are provided with alinedguide openings 11 for a purpose hereinafter describech In the inner endportions of the bores6'of the lugs 3 and 4 are inserted the helical 13,having the transverse openings 14 alined with the openings 9 ofthe lugs.Fig. 2' 1s a' longitudinal section of the same on line Between thewa'lls 5 and 5,0f each lug is pivotally mounted by'a' pin lo, a bellcrank 16, each bell-crank having an arm'l7 extending into the opening 11' ofthe locking springs 12 and in the outer portions, bear- Aing'agalnst thespr1ngs,'are the locking bolts con- 7 bolt 13 of the nextadjacent lug, and an arm.

18 extending at a right angleto the arm 17 between and beyond the walls5and'5.

Through the guide .openingsll of thebearingwalls 10 is extended andmovably mounted the push bar 19, which is provided with the push pins20, which extendrespecf' tively at right angles from the bar trans-fversely over the walls 5 and 5" of each lug,

in engagement with the innerangle faces of the arms 18 of the bellcranks 16., The end portions 19 of, the push bar'19,

nearest the lug 3, is bent at right angles to themain bodyoof the bar,and is perforated and screw tapped to have threaded thereinthefcylindrical extension 21-,having at its free end a flattened handleportion 2l,'and near the handle portion is provided "with a locking pin22.".The extension 21 of the push bar extendstlirough a' plate 23, whichis adapted to be secured to the inner face of a window frame 24,preferably inset therein ina suitable recess (not shown) to receive theplate. r 4. g h The base plate 1 is located (preferably at I the rightside) of a window frame 25, (relative to ins'de of the room in which theframe is located), opposite the lapping portions of the upper and lowersashes of the window,

and in a recess 26 adapted=to-recei e the plate with its outer face 7flush with the outer face f the side of the window frame,"

and transverse the slide ways of both the upper and lower sashes andtheir dividing strip 27. The recess 26 is provided opposite each sashwith an extension recess 28 adapted to freely receive theilugs 3 and 4:,

the walls 5 and 5, andthe bearing walls 10,. with the bell cranks 16 andthe push bar 19' freely movable therein, it being understood that thedistance of projection of the lugs and working parts described, from theinner face of'the plate 1, is-not sufficient in any instance to extendthem into the-travel :ways' of the sashweights, (not shown); Itisalso tobe understood that the recess 28 is so located that the lug 3 is locatedopposite the" top portion of the lower sash 29, and the lug 4: oppositethe lower portion of the upper sash 30.

In line with the'perforation of theangled end portion of the push bar 19the inner portion of the window frame 25 is-provided with an orifice,(not shown), to receive the. extens on rod. 21 which has its inner end.

portion reduced and'threaded torun into the tapped end portion of thepush bar 19.

The slide faces of the upper and lower sashes abutting the base plate 1have recessed therein, flush therewith, the: lock. strips 31, which areprovided with perforations 32 at regular short intervals of theirlengths adapted to receive the reduced end portions 13 of the bolts 13,which-are normally projected by the springs 12'beyond the face 7 of thebase plate 1, as shown in" Fig.2. The strips 31 may ext-end'any suitabledistance along the slide faces of the sashes, but they need not extendbeyond a distance which will admit locking the sashes V in open positionat the top and bottom of the window for purposes of ventilation,

normally registers with the lock pin 22,

when the threaded end portions of the ex tension 21is run into andshouldered againstthe angled end portion of the push bar 19,

and in such pcsiton the extension 21 is free to be pushed inward untilthepin-22 passes through the incut 23. However, if the extension 21 beturned a quarter turn to the left before pushing thereon, the pin 22looks it against being pushed inward, or if the quarter turn ism-adeafter the pin 22 of the extension is pushed through the incut of theplate 23, the extension 21 is locked against outward movement. Thusconstructed it is manifest that when the exten-' sion 21 is in itsnormal unlocked position,

a push inward thereon will move the push bar 19 to move the bell cranksfrom their positions shown in Fig. 2 into the positions shown in Fig. 3,and thereby withdraw the bolts 13 within the lugs 3 and 4:, and thatupon releasing the pressure on the extension Y 21 the springs12automatically returns the bolts to their normal locking position, asshownin Fig. 2, as also the extens'on 21 to its normal position. It isalso manifest that so long as the push bar is held pushed inward bothsashes will be unlocked and either may be freely moved to open, and thatin whatever position they are left when thepressure is removed they willbe either locked, or will be automatically lockedwhen,

moved in either direction less than a full interval between theperforations 32 of the" Y strips 31, it being readily seen that the lockbolts 3 will be held pushed inward by the sash between the perforationsif the push bar is relcasedwhile in such intermediate position, and thatwhen thefsash is moved in either direction from such intermediate POSl-7 tion, as soon as the nearest perforation is lnregister with either ofthe bolts 13,%the' springs 12 of the bolt will automatically move thebolt into locking engagement with the strip 31 of the sash.

Either of the sashes of a window,

equipped with a lock constructed as de: scribed, may be readily andindependently moved from and to a normally closed 1105i": tion by holdng the extension 21 pressed inward while the sash is being moved. Uponreleasingthe extension both sashes will be locked in vwhatever relativeposition they When it is desired to lockthe bolts 13 in V unlockedposition, so that the sash may be moved freely up and down forconvenience of washingor cleaning, by first pushing the extension 21inward to withdraw the bolts 13 1 7 from looking POSltlOIL and thengiving the;

extension a quarter turn until the pin 22. is"

out of alinement with theslot '23, the bolts 13 are lockedin openposition and the sash may then be moved freely'up' and down withouteither becoming locked; I

Equipped with my lock, the upper sash."

of a window may be lowered and the lower raised, each a distanceinsuflicientto permit a person from entering through the openings, andin suchposition the sash willbe as securely locked against furthermovement as in a closed position, and if the further precaution is takento lock the extension 21 as described, the lock is secured against beingunlocked from the outside, notwithstandand I therefore do not limitmyself in its construction excepting as expressed in the claims.

What I claim to be new 1s- 1. In'an automatic sash lock, the combinationwith a window frame and upper and lower sash slidably mounted in theframe,

of a lock comprising a. base plate, recessed in the window frametransverse the slide ways of the upper and lower sashes, opposite thelapping portions of the upper and lower portions when in closedposition, said base platehaving bolt housings and bearing supportsprojecting at right angles thereto from its inner face, one oppositeeach shde way, spring pressed bolts movable in the housings and heldnormally projected partly through the outer face of the base plate -intothe slide ways, a bell crank for each bolt, said bell crank pivotallymounted in a support of the base plate and having one arm engaging andadapted to reciprocate the bolt in its housing, a push bar movable inguide ways of the base supports and adapted to engage the free arm ofeach bell crank when pushed in one direction, and move the bolts againstthe resistance of their springs,

and when released from pressure to be mowed in the opposite direction bythe pressure of the springs on the bolts and the bell cranks, a push rodconnected to the push bar and extending through the inner wall face ofthe window frame, and adapted to operate the push bar to unlock thebolts, and'lock plates secured to slide faces of the sashes, transversethe outer face of the base plate, said lcck plates having perforationsat short intervals adapted tobe brought into register with and receivethe lock bolts,

Copies of this patent may be obtained for five cents each, by addressingthe Washington, D. C.

some in a normally closed position and others respectively in openpositions.

2. In a sash lock, the combination of a base plate adapted to berecessed in a w1ndow frame transverse the slide ways of the window sash,with the outer face flush with the slide faces of the ways opposite theoverlapping portions of the upper and lower sashes, andhaving bolthousings one opposite each shde way and p1'0 ect1ng at right angles toits inner face, bolts reciprocable in the housings and through thebase'plate', springs adapted to hold the bolts normally projectedthrough the base plate, a bell crank connected to each bolt and adaptedto independently withdraw itsbolt, against-the resistance of the spring,a push bar adapted to operate the bell cranks to withdraw the bolts, andlock strips secured to the upper and lower sashes abutting the baseplate,

the perforations of each strip adapted to be consecutively registeredwith and receive the bolt that is opposite the strip.

Ina sash lock, the combination. of a base plate adapted to be recessedin a win- 1 dow frame transverse the slide ways of the window sash,withthe outer face flush with the slide faces of the ways opposite theoverlapping portions of the upper and lower sashes, and having bolthousings one opposite each slide way and projecting at right angles toits inner face, bolts reciprocable in the housings and through the baseplate, springsadapted to hold the bolts normally projected through thebase plate, a bell and having perforations at short intervals,

crank connected to each bolt and adapted to Y independently withdraw itsbolt, against the resistance of the spring, a push bar adapted tooperate the bellcranks to withdraw the bolts, lock strips secured to theupper and lower sashes abutting the base plate, and having perforationsat short intervals, the perforations adapted/co be consecutivelyregistered with and receive the bolt that is opposite the strip, andmeans to lock the push bar'either in its normal or pushed in position.

, In testimony whereof I have hereunto set my hand at' Toledo, Ohio,this 26th day of January, 1916, in the presence of two subscribingwitnesses,

In presence-of ALBERT 'I. GOORLEY, R. B.Soo1\"RARD.

Commissioner of Patents,

HARVEY LANE; 1

